RED RIVER OF THE NORTH BASIN 05101000 TONGUE RIVER AT AKRA, ND-Continued WATER-QUALITY RECORDS PERIOD OF RECORD.--Water year 1972 to current year. REMARKS.--Quality assurance sample also collected at this location. WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 Date Time Instan- taneous dis- charge, cfs (00061) pH, water, unfltrd field, std units (00400) pH, water, unfltrd lab, std units (00403) Specif. conduc- tance, wat unf lab, uS/cm 25 degC (90095) Specif. conduc- tance, wat unf uS/cm 25 degC (00095) Temper- ature, air, deg C (00020) Temper- ature, water, deg C (00010) Hard- ness, water, mg/L as CaCO3 (00900) Calcium water, fltrd, mg/L (00915) Magnes- ium, water, fltrd, mg/L (00925) Potas- sium, water, fltrd, mg/L (00935) Sodium adsorp- tion ratio (00931) OCT 08... 1330 11 -- -- -- 812 22.0 16.0 -- -- -- -- -- MAR 03... 1310 2.8 -- -- -- 762 -0.5 3.5 -- -- -- -- -- 23... 1205 35 -- -- -- 731 1.0 3.0 -- -- -- -- -- 30... 1550 567 7.1 7.0 311 327 7.0 3.0 120 32.3 8.40 6.50 0.5 30... 1555 567 7.1 -- -- 327 7.0 3.0 -- -- -- -- -- APR 06... 1605 348 8.2 -- -- 383 7.0 3.0 -- -- -- -- -- 20... 1525 151 7.7 -- -- 592 16.0 7.0 -- -- -- -- -- MAY 26... 0705 65 8.0 -- -- 716 8.5 11.0 -- -- -- -- -- JUN 03... 0820 220 8.4 -- -- 672 14.0 16.5 -- -- -- -- -- 28... 1635 18 8.6 -- -- 668 28.5 20.5 -- -- -- -- -- AUG 19... 1340 1.1 7.8 8.1 621 610 16.0 15.5 230 60.4 18.2 5.30 0.9 SEP 14... 0910 0.10 7.4 -- -- 605 12.0 14.5 -- -- -- -- -- WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 Date Sodium, water, fltrd, mg/L (00930) Sodium, percent (00932) ANC, wat unf fixed end pt, lab, mg/L as CaCO3 (90410) Chlor- ide, water, fltrd, mg/L (00940) Fluor- ide, water, fltrd, mg/L (00950) Silica, water, fltrd, mg/L (00955) Sulfate water, fltrd, mg/L (00945) Residue water, fltrd, sum of consti- tuents mg/L (70301) Residue water, fltrd, tons/d (70302) Ammonia + org-N, water, unfltrd mg/L as N (00625) Ammonia water, unfltrd mg/L as N (00610) Nitrite + nitrate water unfltrd mg/L as N (00630) Organic nitro- gen, water, unfltrd mg/L (00605) OCT 08... -- -- -- -- -- -- -- -- -- -- -- -- -- MAR 03... -- -- -- -- -- -- -- -- -- -- -- -- -- 23... -- -- -- -- -- -- -- -- -- -- -- -- -- 30... 13.2 19 83 7.1 0.16 11.6 50.5 170 276 -- -- -- -- 30... -- -- -- -- -- -- -- -- -- 0.82 0.246 2.00 0.57 APR 06... -- -- -- -- -- -- -- -- -- 0.74 0.257 2.90 0.48 20... -- -- -- -- -- -- -- -- -- 0.77 0.264 4.41 0.51 MAY 26... -- -- -- -- -- -- -- -- -- 0.95 <0.010 2.81 -- JUN 03... -- -- -- -- -- -- -- -- -- 0.41 0.018 1.70 0.39 28... -- -- -- -- -- -- -- -- -- 0.75 0.023 0.020 0.72 AUG 19... 29.8 22 226 9.8 0.34 7.72 96.7 358 1.05 0.73 <0.010 0.040 -- SEP 14... -- -- -- -- -- -- -- -- -- 0.78 0.079 0.600 0.70 WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 Date Phos- phorus, water, unfltrd mg/L (00665) Total nitro- gen, water, unfltrd mg/L (00600) Arsenic water, fltrd, ug/L (01000) Iron, water, fltrd, ug/L (01046) Lead, water, fltrd, ug/L (01049) Lithium water, fltrd, ug/L (01130) Mangan- ese, water, fltrd, ug/L (01056) Mercury water, fltrd, ug/L (71890) Molyb- denum, water, fltrd, ug/L (01060) Selen- ium, water, fltrd, ug/L (01145) Stront- ium, water, fltrd, ug/L (01080) Suspnd. sedi- ment, sieve diametr percent <.063mm (70331) Sus- pended sedi- ment concen- tration mg/L (80154) OCT 08... -- -- -- -- -- -- -- -- -- -- -- -- -- MAR 03... -- -- -- -- -- -- -- -- -- -- -- -- -- 23... -- -- -- -- -- -- -- -- -- -- -- -- -- 30... -- -- <1.0 140 <1 20 360 <0.20 1 <1 110 -- -- 30... 0.386 2.8 -- -- -- -- -- -- -- -- -- 98 271 APR 06... 0.390 3.6 -- -- -- -- -- -- -- -- -- 74 355 20... 0.219 5.2 -- -- -- -- -- -- -- -- -- 73 136 MAY 26... 0.119 3.8 -- -- -- -- -- -- -- -- -- 97 52 JUN 03... 0.125 2.1 -- -- -- -- -- -- -- -- -- 40 193 28... 0.074 0.77 -- -- -- -- -- -- -- -- -- 97 21 AUG 19... 0.123 0.77 6.6 20 <1 30 420 <0.20 4 1 260 98 22 SEP 14... 0.214 1.4 -- -- -- -- -- -- -- -- -- 98 11 WATER-QUALITY DATA, WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 Date Sus- pended sedi- ment dis- charge, tons/d (80155) OCT 08... -- MAR 03... -- 23... -- 30... -- 30... 415 APR 06... 334 20... 55 MAY 26... 9.1 JUN 03... 115 28... 0.99 AUG 19... 0.06 SEP 14... 0.00 Remark codes used in this table: < -- Less than
